<template>
   
    <!-- 统计和清空 -->
    <footer class="footer">
      <!-- 统计 -->
      <span class="todo-count">合 计:<strong> {{ listName.length }} </strong></span>
      <!-- 清空 -->
      <button @click="clear" class="clear-completed">
        清空任务
      </button>
    </footer>
</template>

<script>
export default {  

props:{
  listName:Array
},
methods:{
  clear(){
    this.$emit('clear')
  }
}
}
</script>

<style>

</style>